The popular R-77 offers outstanding performance, thanks to being developed in the heat of competition. It features a trapezoidal design, which allows a large volume of packing material and in turn delivers top performance. With a straight baffle and removable low-volume insert, the R-77 mufflers front cap is MIG-welded, while the end cap is riveted using high-end 304-L polished stainless steel rivets and bands.

• Mufflers meet E.P.A. noise emissions requirement of 80 dB
• Installation of these mufflers will not violate Federal law
• Built to the highest level of Yoshimura quality, fit and finish
• Trapezoid-shaped muffler sleeve maximizes exhaust flow
• Maximizes torque and power output throughout the entire powerband
• End cap design is an evolution of the R-55 exhaust end cap
• Superbike technology and styling
• Trapezoidal-shaped sleeve
• Large volume of packing material
• Straight baffle for ample flow
• Innovative end-cap
• Stainless steel tail-pipe

This Yoshimura exhaust component or system meets EPA Noise Emission requirements of 80 dBA when installed on the specified motorcycle. Installation of this exhaust component or system on motorcycle models not specified may violate Federal Law.

(1) Carbon fiber muffler with carbon fiber end cap, chrome mid-pipe and removable baffles

(1) Exhaust clamp

(1)Aluminum spacer

(1) Muffler clamp

(1) Black rubber muffler strap heatshield

(1) 10mm-1.25 x 70mm flange hex head bolt

(1) Spring puller tool

Instructions